import math
import sys
def S(): return sys.stdin.readline().rstrip()
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int, sys.stdin.readline().rstrip().split())
def LI(): return list(map(int, sys.stdin.readline().rstrip().split()))
def LS(): return list(sys.stdin.readline().rstrip().split())

p, q = map(float, sys.stdin.readline().rstrip().split())

p1 = (1-p)*q
p2 = p*(1-q)*q

if p1 < p2:
    print("YES")
else:
    print("NO")